Eyebrows on fleek: Model of a modern human skull next to Kabwe 1. Credit: Paul O'Higgins, University of York Highly mobile eyebrows that can be used to express a wide range of subtle emotions may have ...
"Eyebrows are the missing part of the puzzle of how modern humans managed to get on so much better with each other than other now-extinct hominins," said Penny Spikins from the University of York, ...
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